[INFO] cloning repository yuzu441/nlp100-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/yuzu441/nlp100-rust.git" "work/cache/sources/gh/yuzu441/nlp100-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/yuzu441/nlp100-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/yuzu441/nlp100-rust" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/yuzu441/nlp100-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/yuzu441/nlp100-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yuzu441/nlp100-rust" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/yuzu441/nlp100-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/yuzu441/nlp100-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61b2ac3d4be5538dfb4980f6dbfef826fd4d0677
[INFO] sha for GitHub repo yuzu441/nlp100-rust: 61b2ac3d4be5538dfb4980f6dbfef826fd4d0677
[INFO] validating manifest of yuzu441/nlp100-rust on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yuzu441/nlp100-rust on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yuzu441/nlp100-rust
[INFO] finished frobbing yuzu441/nlp100-rust
[INFO] frobbed toml for yuzu441/nlp100-rust written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/yuzu441/nlp100-rust/Cargo.toml
[INFO] started frobbing yuzu441/nlp100-rust
[INFO] finished frobbing yuzu441/nlp100-rust
[INFO] frobbed toml for yuzu441/nlp100-rust written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/yuzu441/nlp100-rust/Cargo.toml
[INFO] crate yuzu441/nlp100-rust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yuzu441/nlp100-rust against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-4/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/yuzu441/nlp100-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0e14da6fa84aaf12a35f92d328fd1e03a0c51ecdeb96485050f22b0a6b9a7de5
[INFO] running `"docker" "start" "-a" "0e14da6fa84aaf12a35f92d328fd1e03a0c51ecdeb96485050f22b0a6b9a7de5"`
[INFO] [stderr]     Checking nlp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "0e14da6fa84aaf12a35f92d328fd1e03a0c51ecdeb96485050f22b0a6b9a7de5"`
[INFO] running `"docker" "rm" "-f" "0e14da6fa84aaf12a35f92d328fd1e03a0c51ecdeb96485050f22b0a6b9a7de5"`
[INFO] [stdout] 0e14da6fa84aaf12a35f92d328fd1e03a0c51ecdeb96485050f22b0a6b9a7de5